Loading...
Report ms12-017 -o0, z4( • •• •[' i• • ••• •• •• •• • • • • • • • • • • CT ENGINEERING • • • • • • • •• INC 180 Nickerson St. • %lite34); • •••• • • ••• • 5Seattle,WA 9B 109: •• • • ••• • • • • ••• •: 16)2%11512(V:• : (206)285-0618(F) ••• ••• gsolorripn@Qtpgiriering.com • • • • • • • • • • • •• •• BULLETIN •• •.•• •• •• •• •• ••• • Date: April 6,2016 Number: CT-02 Project#: 15238 Project Name: River Terrace SF Attached: None Subject: Lots 18 & 23—Patio Roof Truss Connection Drawings Affected: Description/Action: This bulletin provides response to RFI, design clarifications and/or variation requests for the `River Terrace Single-Familv' project located in Tigard, Oregon. The patio roof trusses shall be attached to the home using a 2x6 ledger with (3) 0.131"x3" nails to each wall stud. This application applies to all of the plan types in the River Terrace single-family development. PRO, 4 ‘ GINi! 0W tREG 01 k 22, '4FS T. qo 04/06/2016 CALL WITH ANY OUESTIONS Issued by: Arnold R. Solomon Date: April 6. 2016 Distribution: Contact Information: Chris Walther Polvaon Northwest Comoanv Maaaie Gordon Polvaon Northwest Comoanv Rick Tolleshaua Milbrandt Architects Alexia Fukui Milbrandt Architects R:\15238 River Terrace\Bulletins\15238_2016.04.06_CT02_Lots 18&23(Patio Roof Truss Connection).doc Structural Engineers • •• •• •• • • • • •• • • • • • • • •• •• • • •• •• •• • • •• ••• • • •• • • • • • • • •• •• •• •• • • • • • . • . •• VIiTek� • •.••• •• . ..• • ••• . . • . . • . • . . • • • ••• • •• • • MiTek USA, Inc. 250 Klug Circle •:• •VonecA ti713§0•••. •••. • g• i51-2:5: 52:.• .. • • • . . • • • • • • • • ••• • Re: NRT LOT 23 PATIO COVER The truss drawing(s)referenced below have been prepared by MiTek USA,Inc. under my direct supervision based on the parameters provided by Pacific Lumber&Truss Co.. Pages or sheets covered by this seal: K1815510 thru K181551 I My license renewal date for the state of Oregon is December 31,2017. Lumber design values are in accordance with ANSI/TPI 1 section 6.3 These truss designs rely on lumber values established by others. R ,ED Opr. cis ANG i NE-k-,9 QO2 cc 89200PE -9r 7 4OREGONot ,41 �O qy 14 2°N 4 MFRRIL�- � • March 16,2016 Baxter,David The seal on these drawings indicate acceptance of professional engineering responsibility solely for the truss components shown. The suitability and use of this component for any particular building is the responsibility of the building designer,per ANSI/TPI 1. Y •• • • • • •• •• •• • • • • • • • • • • • • •• •• • • • • • • •• • • ••• • • • • • • • • • • •• • • • • • • • ••• • • • • • • •• • • •• • • • • • • • • • • ••• • • • is •• • ••• • • • • • • •• • • • ••• •• ••• • • •• •• • • ••• ••• • • • • • • •• ••• ••• • • • • • • ••• • =II!: "+f=1 i:; - FST fl1 PFS, E.'n;F M1 r . J '/EF':r: I". 1.-_ ... �FEC 'EEL- i �+ "_ .� nl._'..1- it"• 7-01-09 5-08-12 _'4_t,_.n ar,l r,riF r,a l,t-.r r,l_1>']JirrJ -r-tri i�. M-1.5X3 r - 'Ire,.. 1.-.1.;r-] 1I.:.:1-:d La:= M-3x4 — - r - -- o M-3x4 M-1.5x3 M-3x4 L_____1 6-11-08 5-10-08 1 Y - -- O PROF 1-00 lz-lo 0-01-0e ���Co \AGINEF9`>c, 17 89200PE JOB NAME: NRT LOT 23 PATIO COVER — P2 Truss: P2 "andMim W ccnpra`ncommen eo.11General d -�Pudding me0..14d arann�.nend' r ten; �G 4,OREGON 1, tel(¢ z 2,comp...nnx.edeenene.I.,m,atedwheres.A• n ., n.warm booking do,. reMr i qy O -�- ,adlman�wWn hon ..andnmRm rds.L..tMllyd.mdat O 14,2 p m�dip Ormeends 3 kidohonal temper,Map to sure iwdowlwrinarrem deans of n uat10 o cres.a.uneu erac.11.hon men len.q /�,� 0 DATE: 3/16/2016is Me assumes plw.00e shemmpaC1andor dyweWec) MERR 11-`' Impact mdpnp or I..I.,required when shown.• SEQ.: K1815510 No load snpld Pe applied any component alter al enanp and _ e;d3nrme.w=o.eeardr,emr i hsrenen an eompMe ander no Erre enould any.dspnater man me m a non<orrwne enaronment TRANS ID: LINK sewn Rads Ea spend to any...rot r"pdm".,n,lla p �eapwm.nawn scop or wedge 5 CoMpuTrois has no ...WayforMe EXPIRES: 12/31/2017 necessary handingsham... nOfcornporen� equd.amReI...Ionssetmdhb w;„ :�da.sotheirc..r March 16,2016 This R CAo furnished CS copes of which wl MNm..upon request A.ant on MOSS MRek USA IncfCompuTrus Software 767(15-S 1oha.nnsxmr pl.49eup9 VMesuess«ESS-tall,E.rpee Wahl • •• •• •• • • • • •• • • • • • • • • • • • • • • • • •• •• • • • • • • ••• • • •• • • • • • • • • • • • • • • • • • • • • • •• • • • • • ••• • • • •• • • •• • • • ••• • • • • • • • • • ••• • •• • • • • •• • • • • • • 000 •• 000 • 000 ••• • • •• •• • • • • • • • ••• ••• •• • • • • • ••• • • M1 eIFTI .:�F :.EE-: _.:EC:::'T•1,1 FE vE,TIS I- 7 F:i:i IiFFIffIIT; -iF IF;'C_ 91P, . 91"pl: II _ 1_Ii iI' -.il.i ,} 11 i 11,1 :II FFL. F4 1 i k l'Ii I 1 - T 'Fk,T]"FI (FILE'TId'L:II:T., I:-:..In, 71.-Lr_Fil Il11 IL FEEL-- :I.'" r•ll.'.{_ _ IV�r 7-01-09 5-08-12 M-1.5x3 M-3x5 I"--1 i a , - M-3x5 M-1.5x9 M-3x4 ""- ----- `- M-3x5r r: /� _ In i i l f 1 i - 0 0-Id. - I17010. t - rl 'rid:0 1st-70. 90 I II F M-1.5x9 _ - - cn r — --_ M-3x5 - -- I. - --- 7 --" i-- --_- 1166------ -- I_ 0 M-3x9 M-1.5x3 M-3x4 6-11-08 5-10-08 k -- )> ��90 PROFFS,S 1-00 12-10 0-01-08 Vo 1. :9200P 9< JOB NAME: NRT LOT 23 PATIO COVER — P1 - 41. 404111111. Builder ononntr,aorshould aaa edmegGeneal TT`designsb:sedo unless otherwise parameters wnand*for an:na,awl OREGON l�Q Truss: P1 WIonconshumoncommences buden cont nentnpwvelMadeswnlarameersandproper 'G 4 ,`A A, 2 a web Onions must e•:nwNedwhee Mau• :nwmoyraeo,aoo:ncen•m em.ra.pon.:amymm.Budding i0 y 14 20 ep',' aaam,anlw construction z Senn assumes the top and bottom mons to be laterally booed at rs the temporary mbracing weee.to insure permanent Wrung& mnenous alhee. min plywood unless shemin ic)throughout dordrtl.nanw c pp DATE: 3/16/2016 me mponudluy m the budany aligner 32a!mud moony oorr eenlbree:w required where s)howm.• (�1 MFRpI�,-� SEQ.: K1815511 it No load Mould be appeeto any component until Mbar es bnotnyan Installacon oro-uss is m•es :malty or m•eapear contractor comp...meet no Mu should any loves greater than 5 Ceswn eseumes mesas are be usaam a nomm�osie•mnmmrem, TRANS ID: LINK acMloads be•op:•am any oomF•n•nt s o:wna:umesfullBeams::Il supports shown shim or wedge 5 Cam,aTrwhasno=onmaa..raho.sumesnoesponsib:I=yforth• EXPIRES: 12/31/2017 %a' rumensaua.am installationns components °"sshell"mbu donbte o't'b�'oPn:°:ndpaudwmaaane: March 16,2016 Wok USA,Inc/CompUTrus Software 767(1L)-E� ct 10 F0,b n see platedeswn values see ESR-1311 ESS.1588(MiT•) Symbols Numbering System A General Safety Notes PLATE LOCATION AND ORIENTATION 3 y I" Center late on oint unless x, ! 6-4-8 dimensions shown in ft-in-sixteenths Failure to Follow Could Cause Property '� /4 offsets are indicated. (Drawings not to scale) Damage or Personal Injury { Dimensions are in ft-in-sixteenths. Apply plates to both sides of truss 1 2 3 1. Additional stability bracing for truss system,e.g. and fully embed teeth. TOP CHORDS diagonal or X-bracing,is always required. See BCSI. 1 c1-2 C2-3 2. Truss bracing must be designed by an engineer.For 0'/16�� wide truss spacing,individual lateral braces themselves v W EBS cae 4 may require bracing,or alternative Tor I ♦ y p bracing should be considered. Ce 3. Never exceed the design loading shown and never Atti stack materials on inadequately braced trusses. - , 4. Provide copies of this truss design to the building For 4 x 2 orientation,locate C7-8 cs 7 cs e i— designer,erection supervisor,property owner and plates 0-1/14' from outside BOTTOM CHORDS all other interested parties. edge of truss. 8 7 6 5 5. Cut members to bear tightly against each other. 6. Place plates on each face of truss at each This symbol indicates the JOINTS ARE GENERALLY NUMBERED/LETTERED CLOCKWISE joint and embed fully.Knots and wane at joint required direction of slots in AROUND THE TRUSS STARTING AT THE JOINT FARTHEST TO locations are regulated by ANSI/TPI 1. connector plates. THE LEFT. 7. Design assumes trusses will be suitably protected from CHORDS AND WEBS ARE IDENTIFIED BY END JOINT the environment in accord with ANSI/TPI 1. *Plate location details available in MiTek 20/20 NUMBERS/LETTERS. software or upon request. 8. Unless otherwise noted,moisture content of lumber shall not exceed 19%at time of fabrication. PLATE SIZE PRODUCT CODE APPROVALS 9. Unless expressly noted,this design is not applicable for ICC ES Reports: use with fire retardant,preservative treated,or green lumber. The first dimension is the plate 10.Camber is a non-structural consideration and is the 4 x 4 width measured perpendicular ESR-1311,ESR-1352,ESR1988 responsibility of truss fabricator.General practice is to to slots.Second dimension is ER 3907,ESR 2362,ESR 1397,ESR 3282 camber for dead load deflection. the length parallel to slots. 11.Plate type,size,orientation and location dimensions indicated are minimum plating requirements. LATERAL BRACING LOCATION 12.Lumber used shall be of the species and size,and Southern Pine lumber designations are as follows: in all respects,equal to or better than that /9 Indicated bysymbol shown and/or SYP represents values as published specified. �/ by text in the bracingsection of the by AWC in the 2005/2012 NDS • • •• SP represents ALSC approved/new values 13.Top chords must be sheathed or purlins provided at • • output. Use T or I bracing with effective date of June 1,2013 spacing indicated on design. rii" 'e 14.Bottom chords require lateral bracing at 10 ft.spacing, •'• BEARING'�' •' ' or less,if no ceiling is installed,unless otherwise noted. •••• • • • • • 15.Connections not shown are the responsibility of others. • I• • Ind�dittt Location where bearings 16.Do not cut or alter truss member or plate without prior •••• ��4 • (suppoi#s)occur. Icons varybut ©2012 Mitek®All Rights Reserved approval of an engineer. '..' -' reactipp ection indicates joint • numbei where bearings occur. 17.Install and load vertically unless indicated otherwise. • ® -- Min size s�lown is for crushing only. �_,x, 18.Use of green or heated lumber may pose unacceptable """ environmental,health or performance risks.Consult with • • • •••• NndustryScandal ds: •• •• project engineer before use. """ "*"' 19.Review allportions of this design front,back,words • ANSI/TPI1: National Design Specification for Metali I ' PI Conn&c�tgel Wood Truss Construction. and pictures)before use.Reviewing pictures alone • •a is not sufficient. ••••{)SB-89: • •Design Standard for Bracing. hill• , .••.B SI: •• Building Component Safety Information, M jle Ic R 20.Design assumes manufacture in accordance with Guide to Good Practice for Handling, ANSI/TP'1 Quality Criteria. Installing&Bracing of Metal Plate Connected Wood Trusses. Mitek Engineering Reference Sheet:Mil-7473 rev.01/29/2013